/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1092d.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 14:28:03,877 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 14:28:03,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 14:28:03,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 14:28:03,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 14:28:03,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 14:28:03,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 14:28:03,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 14:28:03,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 14:28:03,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 14:28:03,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 14:28:03,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 14:28:03,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 14:28:03,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 14:28:03,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 14:28:03,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 14:28:03,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 14:28:03,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 14:28:03,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 14:28:03,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 14:28:03,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 14:28:03,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 14:28:03,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 14:28:03,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 14:28:03,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 14:28:03,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 14:28:03,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 14:28:03,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 14:28:03,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 14:28:03,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 14:28:03,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 14:28:03,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 14:28:03,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 14:28:03,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 14:28:03,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 14:28:03,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 14:28:04,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 14:28:04,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 14:28:04,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 14:28:04,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 14:28:04,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 14:28:04,004 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 14:28:04,057 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 14:28:04,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 14:28:04,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 14:28:04,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 14:28:04,060 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 14:28:04,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 14:28:04,061 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 14:28:04,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 14:28:04,061 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 14:28:04,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 14:28:04,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 14:28:04,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 14:28:04,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 14:28:04,064 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 14:28:04,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 14:28:04,064 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 14:28:04,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 14:28:04,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 14:28:04,065 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 14:28:04,065 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 14:28:04,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 14:28:04,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 14:28:04,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 14:28:04,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 14:28:04,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 14:28:04,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 14:28:04,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 14:28:04,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 14:28:04,067 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 14:28:04,067 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
[2020-09-25 14:28:04,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 14:28:04,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 14:28:04,551 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 14:28:04,553 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 14:28:04,554 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 14:28:04,555 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1092d.c
[2020-09-25 14:28:04,650 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ccec23a94/178d3d44fadb4a978f08613a5a4daa6a/FLAGaafa83636
[2020-09-25 14:28:05,191 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 14:28:05,192 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/double_req_bl_1092d.c
[2020-09-25 14:28:05,203 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ccec23a94/178d3d44fadb4a978f08613a5a4daa6a/FLAGaafa83636
[2020-09-25 14:28:05,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ccec23a94/178d3d44fadb4a978f08613a5a4daa6a
[2020-09-25 14:28:05,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 14:28:05,533 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 14:28:05,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 14:28:05,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 14:28:05,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 14:28:05,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:28:05" (1/1) ...
[2020-09-25 14:28:05,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4550a7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:05, skipping insertion in model container
[2020-09-25 14:28:05,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:28:05" (1/1) ...
[2020-09-25 14:28:05,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 14:28:05,587 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 14:28:05,900 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 14:28:05,904 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 14:28:06,042 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 14:28:06,080 INFO L208 MainTranslator]: Completed translation
[2020-09-25 14:28:06,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:06 WrapperNode
[2020-09-25 14:28:06,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 14:28:06,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 14:28:06,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 14:28:06,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 14:28:06,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:06" (1/1) ...
[2020-09-25 14:28:06,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:06" (1/1) ...
[2020-09-25 14:28:06,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:06" (1/1) ...
[2020-09-25 14:28:06,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:06" (1/1) ...
[2020-09-25 14:28:06,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:06" (1/1) ...
[2020-09-25 14:28:06,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:06" (1/1) ...
[2020-09-25 14:28:06,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:06" (1/1) ...
[2020-09-25 14:28:06,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 14:28:06,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 14:28:06,155 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 14:28:06,155 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 14:28:06,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:06" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 14:28:06,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 14:28:06,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 14:28:06,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_double
[2020-09-25 14:28:06,244 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double
[2020-09-25 14:28:06,244 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 14:28:06,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 14:28:06,245 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_double
[2020-09-25 14:28:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 14:28:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~real
[2020-09-25 14:28:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 14:28:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 14:28:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 14:28:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~real
[2020-09-25 14:28:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double
[2020-09-25 14:28:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 14:28:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 14:28:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 14:28:06,713 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 14:28:06,713 INFO L295 CfgBuilder]: Removed 6 assume(true) statements.
[2020-09-25 14:28:06,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:28:06 BoogieIcfgContainer
[2020-09-25 14:28:06,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 14:28:06,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 14:28:06,730 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 14:28:06,734 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 14:28:06,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:28:05" (1/3) ...
[2020-09-25 14:28:06,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@93611d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:28:06, skipping insertion in model container
[2020-09-25 14:28:06,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:28:06" (2/3) ...
[2020-09-25 14:28:06,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@93611d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:28:06, skipping insertion in model container
[2020-09-25 14:28:06,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:28:06" (3/3) ...
[2020-09-25 14:28:06,739 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092d.c
[2020-09-25 14:28:06,751 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 14:28:06,764 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 14:28:06,784 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 14:28:06,814 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 14:28:06,814 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 14:28:06,814 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 14:28:06,814 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 14:28:06,814 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 14:28:06,814 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 14:28:06,815 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 14:28:06,815 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 14:28:06,840 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states.
[2020-09-25 14:28:06,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-09-25 14:28:06,850 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 14:28:06,851 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 14:28:06,852 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:28:06,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:28:06,859 INFO L82 PathProgramCache]: Analyzing trace with hash -14929888, now seen corresponding path program 1 times
[2020-09-25 14:28:06,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:28:06,871 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [528434702]
[2020-09-25 14:28:06,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:28:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:28:07,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:28:07,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:28:07,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:28:07,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52
[2020-09-25 14:28:07,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 14:28:07,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269
[2020-09-25 14:28:07,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:28:07,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:28:07,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:28:07,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41
[2020-09-25 14:28:07,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:28:07,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 14:28:07,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 14:28:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:28:07,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:28:07,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:28:07,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 14:28:07,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:28:07,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14
[2020-09-25 14:28:07,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:28:07,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:28:07,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:28:07,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:28:07,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:28:07,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:28:07,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-09-25 14:28:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:28:07,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:28:07,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:28:07,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:28:07,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20
[2020-09-25 14:28:07,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 14:28:07,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42
[2020-09-25 14:28:07,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:28:07,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:28:07,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:28:07,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9
[2020-09-25 14:28:07,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:28:07,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:28:07,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-25 14:28:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:28:07,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:28:07,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:28:07,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16
[2020-09-25 14:28:07,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:28:07,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70
[2020-09-25 14:28:07,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:28:07,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:28:07,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:28:07,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6
[2020-09-25 14:28:07,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:28:07,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:28:07,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 14:28:07,596 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [528434702]
[2020-09-25 14:28:07,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 14:28:07,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 14:28:07,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436896133]
[2020-09-25 14:28:07,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 14:28:07,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 14:28:07,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 14:28:07,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 14:28:07,630 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 4 states.
[2020-09-25 14:28:08,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 14:28:08,024 INFO L93 Difference]: Finished difference Result 221 states and 264 transitions.
[2020-09-25 14:28:08,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-09-25 14:28:08,026 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41
[2020-09-25 14:28:08,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 14:28:08,041 INFO L225 Difference]: With dead ends: 221
[2020-09-25 14:28:08,042 INFO L226 Difference]: Without dead ends: 112
[2020-09-25 14:28:08,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-09-25 14:28:08,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states.
[2020-09-25 14:28:08,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112.
[2020-09-25 14:28:08,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states.
[2020-09-25 14:28:08,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 126 transitions.
[2020-09-25 14:28:08,114 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 126 transitions. Word has length 41
[2020-09-25 14:28:08,115 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 14:28:08,115 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 126 transitions.
[2020-09-25 14:28:08,115 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 14:28:08,115 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 126 transitions.
[2020-09-25 14:28:08,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70
[2020-09-25 14:28:08,118 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 14:28:08,119 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 14:28:08,119 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 14:28:08,120 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:28:08,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:28:08,120 INFO L82 PathProgramCache]: Analyzing trace with hash 345019468, now seen corresponding path program 1 times
[2020-09-25 14:28:08,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:28:08,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [787683752]
[2020-09-25 14:28:08,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:28:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 14:28:08,216 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 14:28:08,216 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 14:28:08,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 14:28:08,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 02:28:08 BoogieIcfgContainer
[2020-09-25 14:28:08,249 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 14:28:08,254 INFO L168 Benchmark]: Toolchain (without parser) took 2722.96 ms. Allocated memory was 145.8 MB in the beginning and 234.9 MB in the end (delta: 89.1 MB). Free memory was 101.9 MB in the beginning and 176.9 MB in the end (delta: -75.0 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB.
[2020-09-25 14:28:08,255 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.8 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 14:28:08,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 546.83 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 101.2 MB in the beginning and 179.7 MB in the end (delta: -78.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB.
[2020-09-25 14:28:08,257 INFO L168 Benchmark]: Boogie Preprocessor took 72.72 ms. Allocated memory is still 202.9 MB. Free memory was 179.7 MB in the beginning and 177.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
[2020-09-25 14:28:08,258 INFO L168 Benchmark]: RCFGBuilder took 572.06 ms. Allocated memory is still 202.9 MB. Free memory was 177.7 MB in the beginning and 148.1 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB.
[2020-09-25 14:28:08,259 INFO L168 Benchmark]: TraceAbstraction took 1519.57 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 147.4 MB in the beginning and 176.9 MB in the end (delta: -29.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB.
[2020-09-25 14:28:08,263 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23 ms. Allocated memory is still 145.8 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 546.83 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 101.2 MB in the beginning and 179.7 MB in the end (delta: -78.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 72.72 ms. Allocated memory is still 202.9 MB. Free memory was 179.7 MB in the beginning and 177.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 572.06 ms. Allocated memory is still 202.9 MB. Free memory was 177.7 MB in the beginning and 148.1 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 1519.57 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 147.4 MB in the beginning and 176.9 MB in the end (delta: -29.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- UnprovableResult [Line: 108]: Unable to prove that call of __VERIFIER_error() unreachable
Unable to prove that call of __VERIFIER_error() unreachable
Reason: overapproximation of bitwiseOr at line 92, overapproximation of someBinaryArithmeticDOUBLEoperation at line 103, overapproximation of bitwiseAnd at line 89.
Possible FailurePath:
[L14] static const double huge_ceil = 1.0e300;
[L103] double x = -1.0 / 0.0;
[L104] CALL, EXPR ceil_double(x)
[L17] __int32_t i0, i1, j0;
[L18] __uint32_t i, j;
[L20] ieee_double_shape_type ew_u;
[L21] ew_u.value = (x)
[L22] EXPR ew_u.parts.msw
[L22] (i0) = ew_u.parts.msw
[L23] EXPR ew_u.parts.lsw
[L23] (i1) = ew_u.parts.lsw
[L25] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff
[L26] COND FALSE !(j0 < 20)
[L48] COND TRUE j0 > 51
[L49] COND FALSE !(j0 == 0x400)
[L52] return x;
[L104] RET, EXPR ceil_double(x)
[L104] double res = ceil_double(x);
[L107] CALL, EXPR isinf_double(res)
[L82] __int32_t hx, lx;
[L84] ieee_double_shape_type ew_u;
[L85] ew_u.value = (x)
[L86] EXPR ew_u.parts.msw
[L86] (hx) = ew_u.parts.msw
[L87] EXPR ew_u.parts.lsw
[L87] (lx) = ew_u.parts.lsw
[L89] hx &= 0x7fffffff
[L90] hx |= (__uint32_t)(lx | (-lx)) >> 31
[L91] hx = 0x7ff00000 - hx
[L92] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31);
[L107] RET, EXPR isinf_double(res)
[L107] COND TRUE !isinf_double(res)
[L108] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 119 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 129 SDtfs, 21 SDslu, 97 SDs, 0 SdLazy, 141 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 3040 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...